Check the listing for details. Traminator Spindle Square Tramming Tool 0.50" shank for mill drill press lathe. Condition: New. Listed at 20.99 USD. Traminator Spindle Head Tramming Tool This item is a quality designed and 3D printed spindle tramming tool. This tool mounts most indicators with 0.375" stems. The tool has a mount for 6.5" and 4.5" spacing and centered. The center shaft is 0.50" (compared to cheaper 3/8" versions) and length is ~3.5". This tool allows you to quickly align the head of mills and drill presses as well as align the tables of drill presses. You can use it to tram a vice or set custom vice/work angles quickly and accurately. There are two bolts to allow for tightening and rotating the indicators. The indicators sit in a dip for more consistent alignment and the bolts have nuts on the rear to prevent stripping the threads. This is a great low cost tool to keep in your box ready to get out and use when needed. Colors vary but are typically grey/green/black/orange (if you have a specific color request just ask first) note: does NOT include any indicators, just the bar, shaft, bolts, nuts as shown.